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Registro Completo |
Biblioteca(s): |
Embrapa Milho e Sorgo. |
Data corrente: |
15/10/2020 |
Data da última atualização: |
06/07/2021 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
BERNARDINO, K. C.; MENEZES, C. B. de; SOUSA, S. M. de; GUIMARÃES, C. T.; CARNEIRO, P. C. S.; SCHAFFERT, R. E.; KOCHIAN, L. V.; HUFNAGEL, B.; PASTINA, M. M.; MAGALHAES, J. V. de. |
Afiliação: |
Karine C. Bernardino, Universidade Federal de Viçosa; CICERO BESERRA DE MENEZES, CNPMS; SYLVIA MORAIS DE SOUSA TINOCO, CNPMS; CLAUDIA TEIXEIRA GUIMARAES, CNPMS; Pedro C. S. Carneiro, Universidade Federal de Viçosa; ROBERT EUGENE SCHAFFERT, CNPMS; Leon V. Kochian, University of Saskatchewan; Barbara Hufnagel, University of Montpellier; MARIA MARTA PASTINA, CNPMS; JURANDIR VIEIRA DE MAGALHAES, CNPMS. |
Título: |
Association mapping and genomic selection for sorghum adaptation to tropical soils of Brazil in a sorghum multiparental random mating population. |
Ano de publicação: |
2021 |
Fonte/Imprenta: |
Theoretical and Applied Genetics, v. 134, p. 295-312, 2021. |
DOI: |
https://doi.org/10.1007/s00122-020-03697-8 |
Idioma: |
Inglês |
Conteúdo: |
Tropical soils where low phosphorus (P) and aluminum (Al) toxicity limit sorghum [Sorghum bicolor (L.) Moench] production are widespread in the developing world. We report on BRP13R, a multiparental random mating population (MPRMP), which is commonly used in sorghum recurrent selection targeting tropical soil adaptation. Recombination dissipated much of BRP13R?s likely original population structure and average linkage disequilibrium (LD) persisted up to 2.5 Mb, establishing BRP13R as a middle ground between biparental populations and sorghum association panels. Genome-wide association mapping (GWAS) identifed conserved QTL from previous studies, such as for root morphology and grain yield under low-P, and indicated the importance of dominance in the genetic architecture of grain yield. By overlapping consensus QTL regions, we mapped two candidate P efciency genes to a ~5 Mb region on chromosomes 6 (ALMT) and 9 (PHO2). Remarkably, we fnd that only 200 progeny genotyped with~45,000 markers in BRP13R can lead to GWAS-based positional cloning of naturally rare, subpopulation-specifc alleles, such as for SbMATE-conditioned Al tolerance. Genomic selection was found to be useful in such MP-RMP, particularly if markers in LD with major genes are ftted as fxed efects into GBLUP models accommodating dominance. Shifts in allele frequencies in progeny contrasting for grain yield indicated that intermediate to minor-efect genes on P efciency, such as SbPSTOL1 genes, can be employed in pre-breeding via allele mining in the base population. Therefore, MP-RMPs such as BRP13R emerge as multipurpose resources for efcient gene discovery and deployment for breeding sorghum cultivars adapted to tropical soils. MenosTropical soils where low phosphorus (P) and aluminum (Al) toxicity limit sorghum [Sorghum bicolor (L.) Moench] production are widespread in the developing world. We report on BRP13R, a multiparental random mating population (MPRMP), which is commonly used in sorghum recurrent selection targeting tropical soil adaptation. Recombination dissipated much of BRP13R?s likely original population structure and average linkage disequilibrium (LD) persisted up to 2.5 Mb, establishing BRP13R as a middle ground between biparental populations and sorghum association panels. Genome-wide association mapping (GWAS) identifed conserved QTL from previous studies, such as for root morphology and grain yield under low-P, and indicated the importance of dominance in the genetic architecture of grain yield. By overlapping consensus QTL regions, we mapped two candidate P efciency genes to a ~5 Mb region on chromosomes 6 (ALMT) and 9 (PHO2). Remarkably, we fnd that only 200 progeny genotyped with~45,000 markers in BRP13R can lead to GWAS-based positional cloning of naturally rare, subpopulation-specifc alleles, such as for SbMATE-conditioned Al tolerance. Genomic selection was found to be useful in such MP-RMP, particularly if markers in LD with major genes are ftted as fxed efects into GBLUP models accommodating dominance. Shifts in allele frequencies in progeny contrasting for grain yield indicated that intermediate to minor-efect genes on P efciency, such as SbPSTOL1 genes, can be employed in pr... Mostrar Tudo |
Palavras-Chave: |
Seleção genômica. |
Thesagro: |
Gene; Genética Vegetal; Melhoramento Genético Vegetal; Sorgo. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/223127/1/Association-mapping.pdf
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Marc: |
LEADER 02692naa a2200301 a 4500 001 2125512 005 2021-07-06 008 2021 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1007/s00122-020-03697-8$2DOI 100 1 $aBERNARDINO, K. C. 245 $aAssociation mapping and genomic selection for sorghum adaptation to tropical soils of Brazil in a sorghum multiparental random mating population.$h[electronic resource] 260 $c2021 520 $aTropical soils where low phosphorus (P) and aluminum (Al) toxicity limit sorghum [Sorghum bicolor (L.) Moench] production are widespread in the developing world. We report on BRP13R, a multiparental random mating population (MPRMP), which is commonly used in sorghum recurrent selection targeting tropical soil adaptation. Recombination dissipated much of BRP13R?s likely original population structure and average linkage disequilibrium (LD) persisted up to 2.5 Mb, establishing BRP13R as a middle ground between biparental populations and sorghum association panels. Genome-wide association mapping (GWAS) identifed conserved QTL from previous studies, such as for root morphology and grain yield under low-P, and indicated the importance of dominance in the genetic architecture of grain yield. By overlapping consensus QTL regions, we mapped two candidate P efciency genes to a ~5 Mb region on chromosomes 6 (ALMT) and 9 (PHO2). Remarkably, we fnd that only 200 progeny genotyped with~45,000 markers in BRP13R can lead to GWAS-based positional cloning of naturally rare, subpopulation-specifc alleles, such as for SbMATE-conditioned Al tolerance. Genomic selection was found to be useful in such MP-RMP, particularly if markers in LD with major genes are ftted as fxed efects into GBLUP models accommodating dominance. Shifts in allele frequencies in progeny contrasting for grain yield indicated that intermediate to minor-efect genes on P efciency, such as SbPSTOL1 genes, can be employed in pre-breeding via allele mining in the base population. Therefore, MP-RMPs such as BRP13R emerge as multipurpose resources for efcient gene discovery and deployment for breeding sorghum cultivars adapted to tropical soils. 650 $aGene 650 $aGenética Vegetal 650 $aMelhoramento Genético Vegetal 650 $aSorgo 653 $aSeleção genômica 700 1 $aMENEZES, C. B. de 700 1 $aSOUSA, S. M. de 700 1 $aGUIMARÃES, C. T. 700 1 $aCARNEIRO, P. C. S. 700 1 $aSCHAFFERT, R. E. 700 1 $aKOCHIAN, L. V. 700 1 $aHUFNAGEL, B. 700 1 $aPASTINA, M. M. 700 1 $aMAGALHAES, J. V. de 773 $tTheoretical and Applied Genetics$gv. 134, p. 295-312, 2021.
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Embrapa Milho e Sorgo (CNPMS) |
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Biblioteca(s): |
Embrapa Acre; Embrapa Rondônia. |
Data corrente: |
15/08/2017 |
Data da última atualização: |
26/04/2022 |
Tipo da produção científica: |
Documentos |
Autoria: |
MUNARETTI, A. M.; WADT, L. H. de O.; PAPA, D. de A. |
Afiliação: |
Alisson Mello Munaretti, Universdade Federal do Acre (Ufac); LUCIA HELENA DE OLIVEIRA WADT, CPAF-AC; DANIEL DE ALMEIDA PAPA, CPAF-AC. |
Título: |
Passo a passo para o mapeamento de produtos florestais não madeireiros com o uso de tecnologia GNSS. |
Ano de publicação: |
2016 |
Fonte/Imprenta: |
Porto Velho: Embrapa Rondônia, 2016. |
Páginas: |
55 p. |
Série: |
(Embrapa Rondônia. Documentos, 162). |
ISSN: |
0103-9865 |
Idioma: |
Português |
Conteúdo: |
O principal objetivo desse documento é contribuir para novas formas de mapeamento dos recursos florestais não madeireiros, considerando que a metodologia aqui apresentada poderá sofrer adaptações conforme a realidade local. Além disso, o método apresentado pode ser adotado tanto em propriedades rurais como em Unidades de Conservação de Uso Sustentável e Terras indígenas. |
Palavras-Chave: |
Produto florestal não madeireiro (PFNM); Terra indígena; Unidade de conservção. |
Thesagro: |
Inventário Florestal; Sensoriamento Remoto; Sistema de Informação Geográfica. |
Thesaurus NAL: |
Forest inventory; Geographic information systems; Global positioning systems; Nontimber forest products; Remote sensing. |
Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/162729/1/Doc-162-Passo-a-passo-para-o-mapeamento.pdf
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Marc: |
LEADER 01369nam a2200301 a 4500 001 2142402 005 2022-04-26 008 2016 bl uuuu 00u1 u #d 022 $a0103-9865 100 1 $aMUNARETTI, A. M. 245 $aPasso a passo para o mapeamento de produtos florestais não madeireiros com o uso de tecnologia GNSS.$h[electronic resource] 260 $aPorto Velho: Embrapa Rondônia$c2016 300 $a55 p. 490 $a(Embrapa Rondônia. Documentos, 162). 520 $aO principal objetivo desse documento é contribuir para novas formas de mapeamento dos recursos florestais não madeireiros, considerando que a metodologia aqui apresentada poderá sofrer adaptações conforme a realidade local. Além disso, o método apresentado pode ser adotado tanto em propriedades rurais como em Unidades de Conservação de Uso Sustentável e Terras indígenas. 650 $aForest inventory 650 $aGeographic information systems 650 $aGlobal positioning systems 650 $aNontimber forest products 650 $aRemote sensing 650 $aInventário Florestal 650 $aSensoriamento Remoto 650 $aSistema de Informação Geográfica 653 $aProduto florestal não madeireiro (PFNM) 653 $aTerra indígena 653 $aUnidade de conservção 700 1 $aWADT, L. H. de O. 700 1 $aPAPA, D. de A.
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